<?php
class categoryService extends Service{
	public function a(){
		echo 'a';
		echo '<br />';
		echo $this->t[0];
		echo '<br />';
		echo $this->t[1];
	}
	protected function t(){
		return array('table1','table2');
	}
	public function m(){
		var_dump($this->t_1);
	}
}